WAIRIMU, Rosepaulah; NJERI NGUGI, Dr. Beth. An Analysis of Prepositional related errors in English Composition of Upper Primary Learners in Kieni East Sub County in Nyeri County. International Journal of English Literature and Social Sciences (IJELS), [S. l.], v. 6, n. 5, 2021. Disponível em: https://journal-repository.com/index.php/ijels/article/view/4104.. Acesso em: 3 jul. 2024.